The total population of Marysville is estimated to be 67 with 33 males (49.25%) and 34 females (50.75%). There are 1 more females than males in Marysville.
In 2022, the population of Marysville was 47, a 4.44% increase year-by-year from 2021. Previously, in 2021, Marysville's population was 45, a decline of 2.17% compared to a population of 46 in 2020.
The median age in Marysville, IA is 48.8, as per 2021 ACS 5-Year Estimates. Of the total population, 0.00% were under the age of 15, 17.24% aged 15 to 29, 62.07% aged 30 to 64, 20.69% aged 65 to 84, and 0.00% were 85 years of age and older.